#include<bits/stdc++.h>
using namespace std;
int main(){
	while (true) { string feedback; command = ...;
cout << command << endl; cin >> feedback;if (all_explored) {cout << "END" << endl; cout << n << " " << m << endl; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cout << map[i][j]; }cout << endl; }break; } else { ... } }
}